Displaying results 21 of 40 - 48
| Date | Innovation | City | State | Country | Society |
|---|---|---|---|---|---|
| 1956 | GE Re-entry Systems | Philadelphia | PA | USA | AIAA |
| 1959 | Invention of COBOL Programming by Grace Murray Hopper | Lock Haven | PA | USA | SWE |
| 1891 | Johnstown Incline | Johnstown | PA | USA | ASME |
| 1774 | Discovery of Oxygen by Joseph Priestly | Northumberland | PA | USA | ACS |
| 1929 | Kaplan Turbine | Muhlenberg | PA | USA | ASME |
| 1882 | Kinzua Railway Viaduct | McKean County | PA | USA | ASCE |
| 1870 | Monongahela Incline | Pittsburgh | PA | USA | ASME |
| 1940 | Pennsylvania Turnpike (Old Section) | Harrisburg | PA | USA | ASCE |
| 1901 | Philadelphia City Hall | Philadelphia | PA | USA | ASCE |
| 1801 | Philadelphia Municipal Water Supply | Philadelphia | PA | USA | ASCE |
| 1902 | Rockville Stone Arch Bridge | Marysville | PA | USA | ASCE |
| 1958 | Shippingport Nuclear Power Station | Shippingport | PA | USA | ASME |
| 1883 | Smithfield Street Bridge | Pittsburgh | PA | USA | ASCE |
| 1848 | Starrucca Viaduct | Lanesboro | PA | USA | ASCE |
| 1915 | Tunkhannock Viaduct | Nicholson | PA | USA | ASCE |
| 1828 | Union Canal Tunnel | Lebanon | PA | USA | ASCE |
| 1890 | Walnut Street Bridge | Harrisburd | PA | USA | ASCE |
| 1890s | Worthington Horizontal Cross-compound Pumping Engine | York | PA | USA | ASME |
| 1682 | City Plan of Philadelphia | Philadelphia | PA | USA | ASCE |
| 1847-1854 | Horseshoe Curve | Altoona | PA | USA | ASCE |
